Devil Slave (Satan system) - Chapter 1229: The Real Spy?

In a world where 99.9% of all men were wiped out and future births only had a 0.1% chance of being male, the role of men in society became that of celebrities graciously donating their seed to the masses. With the world population declining, pregnancy has become a social status, affording women government assistance, health insurance, and citizenship should they find a man to bless them with seed. With an only 1 in a 1000 chance of finding a guy, many women will do anything it takes to get close to a man and become pregnant. And should those women bear a male, it’s like winning the lottery, the remainder of their lives set as they receive massive stipends and no responsibility but to nurture their sons. Clyburn was reincarnated into such a world. Can a former unsuccessful business man properly navigate a female-centric world full of woman who just want to use him for his seed? With an overprotective mother, two caring sisters, and the mind of an adult, he might just.

A world where awakened individuals with special powers emerge due to a system. At the New Spring Kindergarten infant class, Gru awakens as an S-rank Hunter at the age of 4. Along with this, there is a quest assigned to her… [Quest: A child needs a strong guardian!] Why is a guardian needed? That is because Gru has no mother or father. Gru, who had no family, is adopted by the greatest Hunter in South Korea after many twists and turns, and along with that, new skills are developed… [Let’s try registering a new guardian in the slot!] [Children can earn ‘filial piety points’ through various activities, which can be used in different areas.] Gathering guardians enables faster growth? ‘That’s amazing!’ Alright, I’ll gather all the S-rank guardians!

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

An ordinary young man reincarnates as Adrian, the eldest son of a once-prominent noble family now living out in boonies of the kingdom. Watch as Adrian embarks on a tantalizing journey, to support his graceful and caring mother and feisty older sister, as a man should, with his seduction system.